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Finding the Fourth Proportional to 71,055.93, 98,057.97 and 39,224.87

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Solution

The fourth proportional to 71,055.93, 98,057.97 and 39,224.87 is: 54,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,055.93 : 98,057.97 = 39,224.87 : x
  2. Step 2: Convert to fraction form
    71,055.93/98,057.97 = 39,224.87/x
  3. Step 3: Cross multiply
    71,055.93x = 98,057.97 × 39,224.87
  4. Step 4: Simplify right side
    71,055.93x = 3,846,310,635.42
  5. Step 5: Solve for x
    x = 3,846,310,635.42/71,055.93
  6. Step 6: Final answer
    x = 54,130.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.